Script for Deploy using Webhooks

Webhook_Deploy.php

<?php

interface GitProvider {
    public function getRepository();
    public function getUser();
    public function getCommit();
    public function getBranch();
    public function hashCommit();
}

class Git {

    private $path;
    private $repo;
    public $output;

    public function __construct($repo, $path = '/usr/bin/git')
    {
        $this->path = $path;
        $this->repo = "/var/www/html/" . $repo;
    }

    public function pull()
    {
        return shell_exec("cd {$this->repo}; {$this->path} pull");
    }

    public function fetch()
    {
        return shell_exec("cd {$this->repo}; {$this->path} fetch");
    }
}

class GitLab implements GitProvider {
    /**
    * var data array
    */
    protected $data;

    public function __construct($data)
    {
        $this->data   = $data;
    }

    public function getRepository()
    {
        return $this->data->repository->name;
    }

    public function getUser()
    {
        return [
                'name' => $this->data->user_name,
                'id' => $this->data->user_id,
                'email' => $this->data->user_email
            ];
    }

    public function getCommit()
    {
        return $this->data->commits[0];
    }

    public function getBranch()
    {
        $branch = explode('/', $this->data->ref);
        $branch = isset($branch[2]) ? $branch[2] : 'master';
        return $branch;
    }

    public function hashCommit()
    {
        return substr($this->getCommit()->id, 0, 7);
    }
}



class Log {

    protected $file;

    public function __construct($repo = 'repository')
    {
        $this->file = __DIR__ . "/log/" . $repo . ".log";
    }

    public function add($data)
    {
        file_put_contents($this->file, date('d-m-Y h:i:s a') . $data . "\n", FILE_APPEND);
    }
}

class Payload {

    public function __construct(GitProvider $provider)
    {
        $this->provider     = $provider;

        $this->git          = new Git($this->provider->getRepository());
        $this->log          = new Log($this->provider->getRepository());
    }

    public function checkCommit()
    {
        $hash   = $this->provider->hashCommit();
        // Si el commit contiene la clave [deploy] entonces pull
        if ( preg_match('/deploy/i', $this->provider->getCommit()->message) ) {
            $res = $this->git->pull();
            $method = 'pull';
        } else {
            $res = $this->git->fetch();
            $method = 'fetch';
        }
        $this->log->add(" Resultado: {$res} | Repository:{$this->provider->getRepository()} | Commit:{$hash} | Author:{$this->provider->getUser()['name']} | Branch: {$this->provider->getBranch()} | Git Method:{$method} ");
    }
}

$data = json_decode(trim(file_get_contents('php://input')));

// $fp = fopen('php://stdout', 'w');
// fwrite($fp, json_encode($data)); //User will see Hello World!
// fclose($fp);
//file_put_contents(__DIR__.'/test.log', json_encode($data) . "\n", FILE_APPEND);
$deploy = new Payload(new GitLab($data));
$deploy->checkCommit();

CONFIGURACION

Habilitar el Deploy Key para el usuario www-data

Link: http://stackoverflow.com/questions/7306990/generating-ssh-keys-for-apache-user

mkdir -p /var/www/.ssh/
cp /root/.ssh/id_rsa_webhook /var/www/.ssh/id_rsa

chown -R apache:apache /var/www/.ssh
chmod 0700 /var/www/.ssh
chmod 0600 /var/www/.ssh/id_rsa

sudo -u apache ssh -Ta git@git.server.com

Dar permisos al usuario www-data

chown www-data:project -R project
chmod 775 -R project